Mitsubishi 3000GT Service Manual page 1178

Connector (1) of
Resistor
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SRS - Troubleshooting
Turn the ignition key to the "LOCK" position, disconnect
the negative battery cable and tape the terminal.
Caution
Wait at least 60 seconds after disconnecting the bat-
tery cable before doing any further work. The SRS
system is designed to retain enough voltage to deploy
the air bag even after the battery has been discon-
nected. Serious injury may result from unintended
air bag deployment if work is done on the SRS system
immediately after the battery cable is disconnected.
Apply a flat tip screwdriver to the lock spring (metallic
portion) of the SDU connector lock lever as illustrated
and push it horizontally toward the back of the unit.
Caution
1. Do not push up the lock lever (green) by force.
2. Never insert a screwdriver between the lock lever
(green) and the lock spring (metallic portion).
Disconnect the red 2-pin connector of the SRS Check
(3)
Harness from the SDU.
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